<template>
  <div class="app">
    <el-container>
      <el-aside class="app-side app-side-left"
                :class="isCollapse ? 'app-side-collapsed' : 'app-side-expanded'">
        <div class="app-side-logo">
          <img src="@/assets/logo.png"
               :width="isCollapse ? '60' : '60'"
               height="60" />
        </div>
        <div>
          <!-- 我是样例菜单 -->
          <el-menu :default-active="defaultActive"
                   router
                   class="el-menu-vertical-demo"
                   @open="handleOpen"
                   :collapse="isCollapse">
            <template v-for="route in $router.options.routes" v-if="route.children && route.children.length">
              <template v-for="item in route.children" >
                <el-menu-item :key="route.path + '/' + item.path" :index="item.path">
                  <i class="el-icon-menu"></i>
                  <span slot="title">{{ item.name }}</span>
                </el-menu-item>
              </template>
            </template>
          </el-menu>
        </div>
      </el-aside>

      <el-container>
        <el-header class="app-header">
          <div style="width: 60px; cursor: pointer;"
               @click.prevent="toggleSideBar">
            <i v-show="!isCollapse" class="el-icon-d-arrow-left"></i>
            <i v-show="isCollapse" class="el-icon-d-arrow-right"></i>
          </div>
          <!-- 我是样例菜单 -->
<!--          <el-menu default-active="1"-->
<!--                   class="el-menu-demo tab-page"-->
<!--                   mode="horizontal"-->
<!--                   @select="handleSelect"-->
<!--                   active-text-color="#409EFF">-->
<!--            <el-menu-item index="1">处理中心</el-menu-item>-->
<!--            <el-submenu index="2">-->
<!--              <template slot="title">我的工作台</template>-->
<!--              <el-menu-item index="2-1">选项1</el-menu-item>-->
<!--              <el-menu-item index="2-2">选项2</el-menu-item>-->
<!--              <el-menu-item index="2-3">选项3</el-menu-item>-->
<!--              <el-submenu index="2-4">-->
<!--                <template slot="title">选项4</template>-->
<!--                <el-menu-item index="2-4-1">选项1</el-menu-item>-->
<!--                <el-menu-item index="2-4-2">选项2</el-menu-item>-->
<!--                <el-menu-item index="2-4-3">选项3</el-menu-item>-->
<!--              </el-submenu>-->
<!--            </el-submenu>-->
<!--            <el-menu-item index="3"-->
<!--                          disabled>消息中心</el-menu-item>-->
<!--            <el-menu-item index="4">-->
<!--              <a href="#">订单管理</a>-->
<!--            </el-menu-item>-->
<!--          </el-menu>-->

          <div class="app-header-userinfo">
            <el-dropdown trigger="hover"
                         :hide-on-click="false">
              <span class="el-dropdown-link">
                {{ username }}
                <i class="el-icon-arrow-down el-icon--right"></i>
              </span>
              <el-dropdown-menu slot="dropdown">
                <el-dropdown-item>我的消息</el-dropdown-item>
                <el-dropdown-item>设置</el-dropdown-item>
                <el-dropdown-item divided
                                  @click.native="logout">退出登录</el-dropdown-item>
              </el-dropdown-menu>
            </el-dropdown>
          </div>
        </el-header>

        <el-main class="app-body">
          <template>
            <router-view/>
          </template>
        </el-main>
      </el-container>
    </el-container>
  </div>
</template>

<script>
    export default {
        name: "Container",
      data() {
        return {
          username: '',
          isCollapse: false,
          defaultActive: "/person"
        }
      },
      methods: {
        toggleSideBar() {
          this.isCollapse = !this.isCollapse
        },
        logout: function () {
          this.$confirm('确认退出?', '提示', {})
            .then(() => {
              sessionStorage.removeItem('user');
              this.$router.push('/login');
            })
            .catch(() => { });
        },
        handleOpen(key, keyPath) {
          console.log(key, keyPath);
        },
        handleClose(key, keyPath) {
          console.log(key, keyPath);
        },
        handleSelect(key, keyPath) {
          console.log(key, keyPath);
        },
      },
      mounted: function () {
        let user = sessionStorage.getItem('user');
        if (user) {
          this.username = user;
        }
      },

    }
</script>

<style>
</style>
